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Subject[PATCH] atomic: cleanup asm-generic atomic*.h inclusion
Date
After changing all consumers of atomics to include
<linux/atomic.h>, we ran into some compile time errors
due to this dependency chain:

linux/atomic.h
-> asm/atomic.h
-> asm-generic/atomic-long.h

where atomic-long.h could use funcs defined later in
linux/atomic.h without a prototype. This patches moves
the code that includes asm-generic/atomic*.h to
linux/atomic.h.

Archs that need <asm-generic/atomic64.h> need to select
CONFIG_GENERIC_ATOMIC64 from now on (some of them used
to include it unconditionally).

Compile tested on i386 and x86_64 with allnoconfig.

Signed-off-by: Arun Sharma <asharma@fb.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: David Miller <davem@davemloft.net>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mike Frysinger <vapier.adi@gmail.com>
---
arch/alpha/include/asm/atomic.h | 1 -
arch/arm/include/asm/atomic.h | 5 +----
arch/avr32/include/asm/atomic.h | 2 --
arch/blackfin/include/asm/atomic.h | 3 ---
arch/cris/include/asm/atomic.h | 1 -
arch/frv/include/asm/atomic.h | 1 -
arch/h8300/include/asm/atomic.h | 1 -
arch/ia64/include/asm/atomic.h | 1 -
arch/m32r/include/asm/atomic.h | 1 -
arch/m68k/include/asm/atomic.h | 2 --
arch/mips/include/asm/atomic.h | 6 ------
arch/mn10300/include/asm/atomic.h | 2 --
arch/parisc/include/asm/atomic.h | 5 -----
arch/powerpc/include/asm/atomic.h | 4 ----
arch/s390/include/asm/atomic.h | 2 --
arch/sh/include/asm/atomic.h | 3 ---
arch/sparc/include/asm/atomic_32.h | 1 -
arch/sparc/include/asm/atomic_64.h | 1 -
arch/tile/include/asm/atomic.h | 5 -----
arch/x86/include/asm/atomic.h | 1 -
arch/xtensa/include/asm/atomic.h | 1 -
include/linux/atomic.h | 4 ++++
22 files changed, 5 insertions(+), 48 deletions(-)

diff --git a/arch/alpha/include/asm/atomic.h b/arch/alpha/include/asm/atomic.h
index 3d67049..640f909 100644
--- a/arch/alpha/include/asm/atomic.h
+++ b/arch/alpha/include/asm/atomic.h
@@ -255,5 +255,4 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
#define smp_mb__before_atomic_inc() smp_mb()
#define smp_mb__after_atomic_inc() smp_mb()

-#include <asm-generic/atomic-long.h>
#endif /* _ALPHA_ATOMIC_H */
diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h
index 3757e91..86976d0 100644
--- a/arch/arm/include/asm/atomic.h
+++ b/arch/arm/include/asm/atomic.h
@@ -459,9 +459,6 @@ static inline int atomic64_add_unless(atomic64_t *v, u64 a, u64 u)
#define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0)
#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL)

-#else /* !CONFIG_GENERIC_ATOMIC64 */
-#include <asm-generic/atomic64.h>
-#endif
-#include <asm-generic/atomic-long.h>
+#endif /* !CONFIG_GENERIC_ATOMIC64 */
#endif
#endif
diff --git a/arch/avr32/include/asm/atomic.h b/arch/avr32/include/asm/atomic.h
index dc6c3a4..e0ac263 100644
--- a/arch/avr32/include/asm/atomic.h
+++ b/arch/avr32/include/asm/atomic.h
@@ -188,6 +188,4 @@ static inline int atomic_sub_if_positive(int i, atomic_t *v)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

-#include <asm-generic/atomic-long.h>
-
#endif /* __ASM_AVR32_ATOMIC_H */
diff --git a/arch/blackfin/include/asm/atomic.h b/arch/blackfin/include/asm/atomic.h
index 2cfce26..c1c5e7e 100644
--- a/arch/blackfin/include/asm/atomic.h
+++ b/arch/blackfin/include/asm/atomic.h
@@ -116,10 +116,7 @@ static inline int atomic_test_mask(int mask, atomic_t *v)
#define atomic_sub_and_test(i,v) (atomic_sub_return((i), (v)) == 0)
#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0)

-#include <asm-generic/atomic-long.h>

#endif

-#include <asm-generic/atomic64.h>
-
#endif
diff --git a/arch/cris/include/asm/atomic.h b/arch/cris/include/asm/atomic.h
index 7e90532..bbf0938 100644
--- a/arch/cris/include/asm/atomic.h
+++ b/arch/cris/include/asm/atomic.h
@@ -157,5 +157,4 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

-#include <asm-generic/atomic-long.h>
#endif
diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h
index a51dcdf..0d8a7d6 100644
--- a/arch/frv/include/asm/atomic.h
+++ b/arch/frv/include/asm/atomic.h
@@ -257,5 +257,4 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
}


-#include <asm-generic/atomic-long.h>
#endif /* _ASM_ATOMIC_H */
diff --git a/arch/h8300/include/asm/atomic.h b/arch/h8300/include/asm/atomic.h
index e6d1663..f5a38c1 100644
--- a/arch/h8300/include/asm/atomic.h
+++ b/arch/h8300/include/asm/atomic.h
@@ -145,5 +145,4 @@ static __inline__ void atomic_set_mask(unsigned long mask, unsigned long *v)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

-#include <asm-generic/atomic-long.h>
#endif /* __ARCH_H8300_ATOMIC __ */
diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h
index 22aca21..3fad89e 100644
--- a/arch/ia64/include/asm/atomic.h
+++ b/arch/ia64/include/asm/atomic.h
@@ -215,5 +215,4 @@ atomic64_add_negative (__s64 i, atomic64_t *v)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

-#include <asm-generic/atomic-long.h>
#endif /* _ASM_IA64_ATOMIC_H */
diff --git a/arch/m32r/include/asm/atomic.h b/arch/m32r/include/asm/atomic.h
index c839426..1e7f29f 100644
--- a/arch/m32r/include/asm/atomic.h
+++ b/arch/m32r/include/asm/atomic.h
@@ -313,5 +313,4 @@ static __inline__ void atomic_set_mask(unsigned long mask, atomic_t *addr)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

-#include <asm-generic/atomic-long.h>
#endif /* _ASM_M32R_ATOMIC_H */
diff --git a/arch/m68k/include/asm/atomic.h b/arch/m68k/include/asm/atomic.h
index 017a15e..63c245f 100644
--- a/arch/m68k/include/asm/atomic.h
+++ b/arch/m68k/include/asm/atomic.h
@@ -205,6 +205,4 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

-#include <asm-generic/atomic-long.h>
-#include <asm-generic/atomic64.h>
#endif /* __ARCH_M68K_ATOMIC __ */
diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index 31cb23d..1d93f81 100644
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -765,10 +765,6 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
*/
#define atomic64_add_negative(i, v) (atomic64_add_return(i, (v)) < 0)

-#else /* !CONFIG_64BIT */
-
-#include <asm-generic/atomic64.h>
-
#endif /* CONFIG_64BIT */

/*
@@ -780,6 +776,4 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
#define smp_mb__before_atomic_inc() smp_mb__before_llsc()
#define smp_mb__after_atomic_inc() smp_llsc_mb()

-#include <asm-generic/atomic-long.h>
-
#endif /* _ASM_ATOMIC_H */
diff --git a/arch/mn10300/include/asm/atomic.h b/arch/mn10300/include/asm/atomic.h
index a2e6759..b9a8f84 100644
--- a/arch/mn10300/include/asm/atomic.h
+++ b/arch/mn10300/include/asm/atomic.h
@@ -343,8 +343,6 @@ static inline void atomic_set_mask(unsigned long mask, unsigned long *addr)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

-#include <asm-generic/atomic-long.h>
-
#endif /* __KERNEL__ */
#endif /* CONFIG_SMP */
#endif /* _ASM_ATOMIC_H */
diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h
index 1914f17..b1dc71f 100644
--- a/arch/parisc/include/asm/atomic.h
+++ b/arch/parisc/include/asm/atomic.h
@@ -335,12 +335,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)

#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)

-#else /* CONFIG_64BIT */
-
-#include <asm-generic/atomic64.h>
-
#endif /* !CONFIG_64BIT */

-#include <asm-generic/atomic-long.h>

#endif /* _ASM_PARISC_ATOMIC_H_ */
diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h
index 952e161..e2a4c26 100644
--- a/arch/powerpc/include/asm/atomic.h
+++ b/arch/powerpc/include/asm/atomic.h
@@ -469,11 +469,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)

#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)

-#else /* __powerpc64__ */
-#include <asm-generic/atomic64.h>
-
#endif /* __powerpc64__ */

-#include <asm-generic/atomic-long.h>
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_ATOMIC_H_ */
diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
index 7b0b0a7..8517d2a 100644
--- a/arch/s390/include/asm/atomic.h
+++ b/arch/s390/include/asm/atomic.h
@@ -331,6 +331,4 @@ static inline long long atomic64_dec_if_positive(atomic64_t *v)
#define smp_mb__before_atomic_inc() smp_mb()
#define smp_mb__after_atomic_inc() smp_mb()

-#include <asm-generic/atomic-long.h>
-
#endif /* __ARCH_S390_ATOMIC__ */
diff --git a/arch/sh/include/asm/atomic.h b/arch/sh/include/asm/atomic.h
index 2177596..63a27db 100644
--- a/arch/sh/include/asm/atomic.h
+++ b/arch/sh/include/asm/atomic.h
@@ -67,7 +67,4 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
#define smp_mb__before_atomic_inc() smp_mb()
#define smp_mb__after_atomic_inc() smp_mb()

-#include <asm-generic/atomic-long.h>
-#include <asm-generic/atomic64.h>
-
#endif /* __ASM_SH_ATOMIC_H */
diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h
index bdce95e..5c3c8b6 100644
--- a/arch/sparc/include/asm/atomic_32.h
+++ b/arch/sparc/include/asm/atomic_32.h
@@ -160,5 +160,4 @@ static inline int __atomic24_sub(int i, atomic24_t *v)

#endif /* !(__KERNEL__) */

-#include <asm-generic/atomic-long.h>
#endif /* !(__ARCH_SPARC_ATOMIC__) */
diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h
index 1fc3d0a..9f421df 100644
--- a/arch/sparc/include/asm/atomic_64.h
+++ b/arch/sparc/include/asm/atomic_64.h
@@ -113,5 +113,4 @@ static inline long atomic64_add_unless(atomic64_t *v, long a, long u)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

-#include <asm-generic/atomic-long.h>
#endif /* !(__ARCH_SPARC64_ATOMIC__) */
diff --git a/arch/tile/include/asm/atomic.h b/arch/tile/include/asm/atomic.h
index e327271..921dbeb 100644
--- a/arch/tile/include/asm/atomic.h
+++ b/arch/tile/include/asm/atomic.h
@@ -177,9 +177,4 @@ extern unsigned long __cmpxchg_called_with_bad_pointer(void);
#include <asm/atomic_64.h>
#endif

-/* Provide the appropriate atomic_long_t definitions. */
-#ifndef __ASSEMBLY__
-#include <asm-generic/atomic-long.h>
-#endif
-
#endif /* _ASM_TILE_ATOMIC_H */
diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h
index 5fe9cb3..10572e3 100644
--- a/arch/x86/include/asm/atomic.h
+++ b/arch/x86/include/asm/atomic.h
@@ -318,5 +318,4 @@ static inline void atomic_or_long(unsigned long *v1, unsigned long v2)
# include "atomic64_64.h"
#endif

-#include <asm-generic/atomic-long.h>
#endif /* _ASM_X86_ATOMIC_H */
diff --git a/arch/xtensa/include/asm/atomic.h b/arch/xtensa/include/asm/atomic.h
index e464212..23592ef 100644
--- a/arch/xtensa/include/asm/atomic.h
+++ b/arch/xtensa/include/asm/atomic.h
@@ -291,7 +291,6 @@ static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

-#include <asm-generic/atomic-long.h>
#endif /* __KERNEL__ */

#endif /* _XTENSA_ATOMIC_H */
diff --git a/include/linux/atomic.h b/include/linux/atomic.h
index fc31190..f2e6529 100644
--- a/include/linux/atomic.h
+++ b/include/linux/atomic.h
@@ -70,4 +70,8 @@ static inline void atomic_or(int i, atomic_t *v)
}
#endif /* #ifndef CONFIG_ARCH_HAS_ATOMIC_OR */

+#include <asm-generic/atomic-long.h>
+#ifdef CONFIG_GENERIC_ATOMIC64
+#include <asm-generic/atomic64.h>
+#endif
#endif /* _LINUX_ATOMIC_H */
--
1.7.4


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